 If you liked
Claymore
|
 ...then you might like
Sekirei
|
They both involve (to differing extents, though) fights between girls that are ranked in terms of fighting power. In both series, girls have different powers.
Its different because Sekirei seems to focus less on the fights and more on harem/comedy elements. In contrast, the general tone of 'Claymore' is solemn.